#include <stdio.h>
#include <omp.h> /*include file*/ 
int main() { 
    #pragma omp parallel /*并⾏段开始*/ 
    {
    int ID = omp_get_thread_num(); 
    printf("hello(%d) ", ID); 
    printf(" world(%d) \n", ID) ; 
    } /*并⾏段结束*/

}